ConcurrentQueue<T>.TryPeek(T) Method

Reference

Definition

Namespace:: System.Collections.Concurrent

Assemblies:: mscorlib.dll, System.Collections.Concurrent.dll

Assemblies:: netstandard.dll, System.Collections.Concurrent.dll

Assembly:: System.Collections.Concurrent.dll

Assembly:: mscorlib.dll

Assembly:: netstandard.dll

Source:: ConcurrentQueue.cs

Source:: ConcurrentQueue.cs

Source:: ConcurrentQueue.cs

Important

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Tries to return an object from the beginning of the ConcurrentQueue<T> without removing it.

public:
 bool TryPeek([Runtime::InteropServices::Out] T % result);

public bool TryPeek(out T result);

member this.TryPeek : 'T -> bool

Public Function TryPeek (ByRef result As T) As Boolean

Parameters

result: T

When this method returns, result contains an object from the beginning of the ConcurrentQueue<T> or an unspecified value if the operation failed.

Returns

Boolean

true if an object was returned successfully; otherwise, false.

Remarks

For determining whether the collection contains any items, use of the IsEmpty property is recommended rather than peeking.

Applies to

Termék	Verziók
.NET	Core 1.0, Core 1.1, Core 2.0, Core 2.1, Core 2.2, Core 3.0, Core 3.1, 5, 6, 7, 8, 9, 10
.NET Framework	4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1
.NET Standard	1.1, 1.2, 1.3, 1.4, 1.6, 2.0, 2.1
UWP	10.0

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